Keystones — Lintel
Five GCSE retrieval questions · 22 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 998 + 805
Answer: 1803 -
2. Algebra
Factorise fully: 6x² + 8x
Answer: 2x(3x + 4) -
3. Geometry
Find the distance between (-7, -3) and (3, 9)
Answer: 15.62 -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 41, 12, 45, 7, 33, 9, 29
Answer: 25.1